green($color) Gets the green component of a color. Calculated from HSL where necessary via

unitless($number) Returns whether a number has units.

selector_extend($selector, $extendee, $extender) Returns a new version of $selector with $extendee

hue($color) Returns the hue component of a color. See

@while The @while directive takes a SassScript expression and repeatedly outputs the nested styles until the statement

mix($color1, $color2, $weight:50%) Mixes two colors together. Specifically, takes the average of each of the RGB components

counters($args...) This function only exists as a workaround for IE7‘s

adjust_color($color, [$red], [$green], [$blue], [$hue], [$saturation], [$lightness], [$alpha]) Increases or decreases one

@warn The @warn directive prints the value of a SassScript expression to the standard error output stream. It’s useful

Variables: $ The most straightforward way to use SassScript is to use variables. Variables begin with dollar signs, and are set